LEVI, Tamir,NGUYEN, Son V.,BENICHOU, Netanel,MAIMON, David,YOHANAN, Ziv,GUROVICH, Nik,FELSEN, Bella,DADONKIN, Larisa
申请号：
AU2019272012
公开号：
AU2019272012A1
申请日:
2019.11.28
申请国别(地区):
AU
年份:
2019
代理人:
摘要：
#$%^&*AU2019272012A120191219.pdf#####PROSTHETIC HEART VALVE ABSTRACT An assembly for implanting a balloon-expandable prosthetic aortic valve (10) in a patient's body, the assembly comprising: a delivery apparatus comprising an elongated shaft having an inflatable balloon, and a radially expandable prosthetic aortic valve (10) adapted to be mounted on the shaft in a radially collapsed configuration for delivery into the body, the prosthetic aortic valve (10) comprising: a balloon-expandable annular frame (12) having an inflow end portion and an outflow end portion； a leaflet structure positioned within the frame (12), the leaflet structure comprising a plurality of commissure portions； and an annular inner skirt positioned along an inner surface of the frame (12), the inner skirt being secured to the inside of the frame (12)； wherein the frame (12) comprises a plurality of angularly spaced commissure windows each comprising an enclosed opening between first and second axially oriented side struts, wherein the plurality of commissure portions extend outwardly through respective commissure windows； wherein the prosthetic aortic valve (10) further comprises an annular outer skirt positioned around an outer surface of the frame, the outer skirt comprising an inflow edge secured to an inflow edge of the inner skirt at the inflow end portion of the frame (12), an outflow edge secured to the frame (12) at a second location, and an intermediate portion between the inflow edge and the outflow edge； and wherein when the prosthetic aortic valve (10) is in the expanded configuration, the intermediate portion of the outer skirt comprises slack in the axial direction between the inflow edge of the outer skirt and the outflow edge of the outer skirt, and when the prosthetic aortic valve (10) is collapsed to the collapsed configuration, the axial distance between the inflow edge of the outer skirt and the outflow edge of the outer skirt
